Chapter 5

Question 0

X-axis

Answer 0

Horizontal number line

Question 1

5.1

Inequality

Answer 1

Math sequence stating that 2 quantities aren’t always equal

Question 2

Y-axis

Answer 2

Vertical number line

Question 3

5.2

Relation

Answer 3

Any set of ordered pairs

Question 4

Domain

Answer 4

Set of first elements(x-coordinates) of the ordered pairs

Question 5

Range

Answer 5

Set of 2nd elements(y-coordinates) of the ordered pairs

Question 6

Function

Answer 6

A relation in which each x-coordinate is paired with one and only y-coordinate

Question 7

5.3

Vertical line test

Answer 7

Used on a graph of a relation to determine wether it is a function

Question 8

5.4

Mathematical modeling

Answer 8

Process of graphing data to study the shape of its distribution

Question 9

Interpolation

Answer 9

Determine new points between of known points

Question 10

Extrapolation

Answer 10

Determining new points outside of known points

Question 11

5.5

Function rule

Answer 11

Equation that pairs each member of the domain with an element of the range

Question 12

5.6

Direct variation

Answer 12

A function in which the ratio of variables is a nonzero constant, k

Question 13

Directly proportional

Answer 13

Quantities said to vary directly or to be directly proportional

Question 14

Constant of variation

Answer 14

The constant k

Question 15

Inverse variation

Answer 15

A variation in which the product of the two variable is a nonzero constant, which is k

Question 16

Inversely proportional

Answer 16

Quantities said to vary inversely

Question 17

5.7

Translation

Answer 17

Movement of a graph

Question 18

Vertex

Answer 18

A V with a turning point at the origin